Frame for a mirror



FIG. 1 is a top plan view of a frame for a mirror, showing my new design, the broken lines are for environmental purposes only and form no part of the claimed design;

FIG. 2 is a side elevational view thereof, as seen from the right side in FIG. 1;

FIG. 3 is an end elevational view thereof, as seen from the top in FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is another side elevational view thereof, as seen from the left side in FIG. 1; and,

FIG. 6 is another end elevational view thereof, as seen from the bottom in FIG. 1. 

The ornamental design for a frame for a mirror, as shown and described. 